C312322331333132212111133133313331333133312121111331211113312331   >>    C31232233133313221211113313331333133313331212111133121111331233   <<    C312322331333132212111133133313331333133312121111331211113312333   >>      C312322331333132212111133133313331333133312121111331211113312332   >>